Question

why is international date line significant??

Answer 1

Time is kept from an imaginary line running through Greenwich, England, called the Prime Meridian. The International Date Line is an imaginary line located halfway around the world at roughly 180 degrees longitude that separates one day from the next. If you cross the International Date Line, the date changes

Answer 2

the international date line(IDL)is an imaginary and arbitrary line in earth surface that runs from the North pole to the South pole.When you across the IDL the time and date change.

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